PacketTrap (http://www.PacketTrap.com) DNS Audit is a utility that matches one or more IP addresses to their corresponding DNS names. The tool does forward lookups on the DNS name so you can ensure that the forward and reverse lookups match. The tool also displays NetBIOS, local host and lmhost file values for each IP.

WinMyDNS is a Intelligent DNS analysis system,which Based on the windows platform

DirectUpdate is a dynamic DNS updater that runs as a NT service with remote (web) administration. It integrates with many of the free or pay DNS services and you can automaytically update multiple DNS accounts as soon as your IP changes. In addition, the program can perform local actions upon IP change, including FTP upload, application launching and email notification.

Interactive DNS Query is a program designed to allow you to perform a query of DNS records. It is similar to the unix "dig" or "nslookup" commands, and uses a convenient GUI interface. Interactive DNS Query allows you to query for all types of DNS records, including A, MX, TXT, NS, etc.

The DNS Library is a COM object that makes dynamic DNS updates to BIND, Microsoft and other RFC-2136-compatible DNS servers possible from any scripting languages in an easy way. The library supports the following record types: A, MX, SRV, NS, CNAME, PTR, TXT. The library implements 5 components: DnsLibrary.Server, DnsLibrary.Resolver, DnsLibrary.Authentication, DnsLibrary.ResourceRecord, DnsLibrary.ResourceRecordSet. Secure updates supported.

The simple yet powerful DNS server for Windows 9x/NT/2000/XP/2003
With Simple DNS Plus you can hosts your own domain name, or simply speed up Internet access by running your own DNS server.

DNS Watcher is a program designed to monitor and query DNS servers. DNS Watcher is mainly intended for use by webmasters and website operators to keep watch on their DNS entries and make sure the name servers are responding correctly. DNS Watcher allows you to enter a list of server names and host names, and DNS Watcher will query those servers periodically to make sure the servers are providing the correct results.

DDNSServ is a fully featured server suite that allows you to run your own DDNS (Dynamic DNS server). You will have the ability to set trial periods, and pricing for your users. You could offer the service free of charge or take advantage of the built in registration and payment processing features.

This tool can adjust 3 'hidden' registry settings of Internet Explorer to control caching of DNS records, server connection timeout, and caching of server information.

It can be useful to change these settings to very low values, especially when testing web-servers with quickly changing DNS records / IP addresses. For example in DNS Round Robin or Simple Failover setups.
- DNS Cache Timeout
- Keep Alive Timeout
- Server Info Timeout

Globesoft MultiDNS forwards DNS resolution requests to a list of secondary DNS servers, one by one, until the request successfully has been carried out and the name has been resolved. If any of the secondary DNS servers respond, but fail to resolve the name, then Globesoft MultiDNS proceeds with the next server in the list.

Keep your web shop open with Simple Failover.
Simple Failover is a new software based failover solution.
The concept really is simple; it continuously monitors your servers to find out which are up and which are down, and then it dynamically updates your DNS records accordingly so that your domain name always points to a functional server.